The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 96
Fig. 33. RLE C TROMA GNE TISM. 79 doubled, the portative force becomes 2{x +7); if halved, X -\- y ; the proportion being the same for any other variation. The magnetization of the steel magnet can be accom-plished most efficiently by the electromagnet. Experiments in Diamagnetism.—The… … Fig. 34. shown in Fig. 34, which consists of two powerful electro-magnets, A and B, having hollow cores, between whoseopposite poles the body under examination may besuspended, as shown; the distance between the polesbeing adjusted as required by adjusting the movableframes FF, to which the cores…
Electricity · Magnetism
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